package com.heima.search.service.impl;

import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.search.dtos.UserSearchDto;
import com.heima.search.pojos.ApAssociateWords;
import com.heima.search.service.ApAssociateWordsService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.List;


@Service
@Slf4j
public class ApAssociateWordsServiceImpl implements ApAssociateWordsService {



    @Autowired
    private MongoTemplate mongoTemplate;

    @Override
    public ResponseResult search(UserSearchDto dto) {
        //1,参数校验
        if (dto == null || StringUtils.isBlank(dto.getSearchWords())) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        //2.分页检查
        if (dto.getPageSize() > 20) {
            dto.setPageSize(20);
        }

        //执行查询,模糊查询
        Query query=new Query(Criteria.where("associateWords").regex(".*?" + dto.getSearchWords() + ".*"));
        query.limit(dto.getPageSize());

        List<ApAssociateWords> list = mongoTemplate.find(query, ApAssociateWords.class);

        return ResponseResult.okResult(list);
    }
}
